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Researchers develop anti-bacterial graphene face masks

Phys.org   -   Scientific News Websites

Face masks have become an important tool in fighting against the COVID-19 pandemic. However, improper use or disposal of masks may lead to "secondary transmission". A research team from City University of Hong Kong (CityU) has successful...

Sep 10, 2020

Nanophysics: Spectral classification of excitons

ScienceDaily   -   General News Websites

Ultrathin layers of tungsten diselenide have potential applications in opto-electronics and quantum technologies. Researchers have now explored how this material interacts with light in the presence of strong magnetic fields.

Sep 10, 2020

Anti-bacterial graphene face masks

ScienceDaily   -   General News Websites

Researchers have successfully produced laser-induced graphene masks with an anti-bacterial efficiency of 80 percent, which can be enhanced to almost 100 percent within 10 minutes under sunlight. Initial tests also showed very promising results in ...

Sep 10, 2020

Scientists engineer DNA-based nanotechnology to stimulate potent antitumor immune responses

Nanowerk   -   Nanotechnology Websites

Synthetic DNA nanovaccines enhance killer T cell immunity resulting in tumor control in preclinical studies.

Sep 10, 2020

Anti-bacterial efficiency of graphene face mask close to 100%

Nanowerk   -   Nanotechnology Websites

Researchers have successfully produced graphene masks with an anti-bacterial efficiency of 80%, which can be enhanced to almost 100% with exposure to sunlight for around 10 minutes.

Sep 10, 2020

Superconductors are super resilient to magnetic fields

ScienceDaily   -   General News Websites

A professor provides a new theoretical mechanism that explains the ability of superconductive materials to bounce back from being exposed to a magnetic field. This work may lead to energy systems that operate without resistive losses. It is also u...

Sep 10, 2020

Bottom-up fabrication of nanoelectronics with DNA nanotechnology

Nanowerk   -   Nanotechnology Websites

DNA is probably the most programmable biomaterial for creating a wide range of rationally designed and functionally enhanced nanostructures. The sophisticated, programmable, and addressable DNA nanostructures are strong candidates for constructing...

Sep 10, 2020

A Simple and Efficient Method to Convert Silicon Wafers into Nanoparticles

AZoNano   -   Nanotechnology Websites

Skoltech scientists and their colleagues from Lomonosov Moscow State University (MSU) have developed a new method of silicon recycling. Their research was published in ACS Sustainable Chemistry &...

Sep 10, 2020

Parabon Nanolabs Faces Controversy for Using Supposedly Private DNA Database to Identify Criminals

Science Times   -   Scientific News Websites

Parabon Nanolabs was the most famous forensic-genetics company worldwide using DNA to track down offenders, but controversy has turned its world upside down.

Sep 10, 2020

More laser power allows faster production of ultra-precise polymeric parts across 12 orders of magnitude

Phys.org   -   Scientific News Websites

A high-power laser, optimized optical pathway, a patented adaptive resolution technology, and smart algorithms for laser scanning have enabled UpNano, a Vienna-based high-tech company, to produce high-resolution 3-D-printing as never seen before.

Sep 10, 2020

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